Cameron, T. A. (1991) “Cameron's Censored Logistic Regression Model: Reply,” Journal of Environmental Economics and Management, 20 (3), 303-304.
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Whitehead, J. C. and T. J. Hoban (1999). “Testing for temporal reliability in contingent valuation with time for changes in factors affecting demand.” Land Economics 75(3): 453-465.
We develop a temporal reliability test of the contingent valuation method. Separate random samples were administered the same telephone survey five years apart. In the retest, respondents have less favorable attitudes toward the environment. Given this result, a temporally reliable contingent valuation would find lower willingness to pay, We find that the estimates are temporally reliable. After accounting for attitudes which have changed over the Jive-yens period, values are not significantly different Jive years apart. This study provides additional evidence that use of the contingent valuation method can provide useful information for environmental policy analysis, (JEL Q26).
Harrison, G. W., and J. C. Lesley (1996) “Must contingent valuation surveys cost so much?,” Journal of Environmental Economics and Management, 31 (1), 79-95.
In 1989 the Exxon Valdez ran aground and spilled 11 million gallons of oil in Alaska. Great controversy has surrounded the assessment of monetary damages for this oil spill. The source of this controversy has been the use of hypothetical contingent valuation surveys to assess damages to individual households and the aggregation of these survey values over all households in the United States. The assessment prepared for the state of Alaska is reported to have cost several million dollars to undertake. We show that considerable economy can be effected in the elicitation of such survey responses. Our approach is to use a cheaper ''convenience sample'' to generate a statistical model of behavioral responses to the valuation questions and then to use sample averages of population characteristics to predict the behavior of the population. Thus we use a model of the behavior of students to predict the behavior of all of the adult citizens of the United States. We find that we can obtain essentially the same damage estimates as a more expensive ''probability sample'' of the entire nation. (C) 1996 Academic Press, Inc.
Berk, R. A., and D. Schulman (1995) “Public Perceptions of Global Warming,” Climatic Change, 29 (1), 1-33.
In this paper, we examine the way public opinion responds to the prospect of global warming. In particular, we focus on the public's ''willingness to pay'' in order to prevent various hypothetical climate scenarios from transpiring. To this end, fractional factorial survey methods are employed with a sample of over 600 residents of Southern California. By and large, the public is able to understand and evaluate rather complicated hypothetical climate scenarios, but the public appreciates some features of climate far better than others. In this context, the contingent valuation estimates we provide, while promising, are clearly not ready of consideration by policy makers.